Comparison

Timelines Time Tracking vs Time Tracker for Open Project

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Timelines Time Tracking

Easily track your personal and work hours with this intuitive time tracking app. Visualize your time usage with interactive timelines and charts, set goals, and gain insights to improve efficiency and productivity. Sync across devices and export your data.

Highlights
  • Quick data entry with timers
  • Interactive timeline visualizations
  • Statistics and trend charts
  • Cross-device synchronization
  • Daily, weekly, monthly goals
  • Siri Shortcuts integration
  • Detailed PDF and CSV exports
Features
Read full description

Timelines is an easy-to-use yet powerful time tracking app that helps you understand how you spend your day, improve your productivity, and build better habits. Track work, personal activities, health routines, and daily habits in one place, then visualize your time with an interactive timeline and charts to uncover patterns and make the most out of your time. I personally wasn't happy with the way I was spending my time, so I decided to build a tool to help myself and others figure out a way to become more efficient. Timelines has been enabling me and other users to understand where our time is actually going, helping us improve our routines, build better habits, increase productivity, and achieve more in our personal and professional lives. I sincerely believe it can do the same for you. – Lukas Petr, founder of Timelines Timelines has been featured by Apple (New Apps We Love, App of the Day), and reviewed on 9To5Mac, MacStories, Tech Crunch, The Verge, Wired, and more. ▶ WHAT CAN YOU TRACK? Timelines can help you track and understand how you spend time across all areas of your life: - Work tasks and projects - Personal activities and daily routines - Habits and self-improvement goals - Workouts, sleep, and health data - Study sessions and learning - Hobbies, side projects, and free time - Family and social activities - Anything you can imagine ▶ QUICK TIME TRACKING - track time spent on work, habits, health, or any activity you want - control tracking with just 1 tap - grid mode of timers - track from Home Screen with powerful widgets - see your current activity on Lock Screen as a Live Activity - easily edit and add past events ▶ POWERFUL VISUALIZATIONS - see how you spend your time on an interactive timeline - playful statistics mode with pie chart - see trends over time using bar chart - subcategories - breakdown of your events - quickly filter categories ▶ SYNC BETWEEN DEVICES - have an always up-to-date backup of your data with Timelines Cloud - sync between your iPhone, iPad, and Apple Watch, in real-time - sign in using your email address or your Apple ID ▶ TIME-BASED GOALS - define daily, weekly, and monthly time-based goals - see your progress and stay on track - periodic reports with rich notifications - get rewarded for reaching a goal with confetti ▶ AUTOMATIONS - build workflows with Siri Shortcuts - use Siri to start and stop timers - import workouts, sleep, and meditation from Apple Health ▶ AND MORE - detailed PDF and CSV exports - timely and customizable reminders - archive unused categories - lots of possible customizations ▶ APPLE WATCH APP - watch face complication for quick access - haptic feedback on start and stop of timers - set event names using dictation or choose from recent - adjust start and end times using the digital crown - see active timer’s duration and category on watch face - real-time sync with iPhone and iPad using Timelines Cloud - see list of past past entries and edit them easily - daily, weekly, monthly, or yearly statistics ▶ WHAT IS FREE? - track up to 3 categories - basic exporting - pie chart - see events on a timeline - events log - reminders ▶ TIMELINES PRO - sync between devices - unlimited categories - bar chart - goals - detailed exports - import from Apple Health - subcategories - support development Timelines has been in active development for over 9 years now. Lots of effort, attention and care went into every detail of the app. Start taking control of your time today. In just a few days, you'll begin to understand your habits, improve your productivity, and make better decisions about how you spend your time. I love working on Timelines, and a big part of my vision is to listen closely to users and incorporate their feedback. If you have any questions or suggestions, please reach out to me at lukas@timelines.app. – Lukas Petr, founder of Timelines * Privacy policy: https://timelines.app/privacy/ * Terms of Use: https://timelines.app/terms/

About

Time Tracker for Open Project

Features
Read full description

The Time Tracker app is a useful tool for tracking your time spent on tasks managed by Open Project instance. With this app, you can select a task, start the timer, and record your time once you have completed the task. This feature makes it easy to monitor how much time you spend on each activity and helps you manage your time more effectively. Whether you're a student, professional, or just looking to improve your productivity, the Timer app is a valuable tool for anyone seeking to manage their time efficiently. Please note that the Time Tracker app uses an Open Project instance, which is not provided by the app. You will need to have your own Open Project instance or access to an existing one in order to use the app's task selection feature.

Screenshots

Timelines Time Tracking4 screens
Time Tracker for Open Project3 screens

Verdict

The call

The clearest difference is in-app purchases: Time Tracker for Open Project at none against Timelines Time Tracking's 10. Time Tracker for Open Project also leads on iOS requirement (13.0 vs 16.0). Timelines Time Tracking's advantage is device support (4 vs 2). On price, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Timelines Time Tracking sells 9 in-app purchases, starting at $3.99 per month. Time Tracker for Open Project asks for nothing beyond the download.

UpkeepUpdate frequency

Timelines Time Tracking ships an update monthly, Time Tracker for Open Project every 2 months. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
Timelines Time Tracking versus Time Tracker for Open Project: the parameters behind the verdict, then further details
ParameterTimelines Time TrackingTime Tracker for Open Project
PriceFreeFree
Rating4.8 (1.6K ratings) — better—
Positive reviews92.1% of reviews—
Number of ratings1.6K — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch, Vision Pro — betteriPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size72 MB26 MB
Age rating4+4+
DeveloperLukas PetrVon Rehberg Consulting GmbH

Bugs and requests

Timelines Time Tracking

Reported bugs

2 issues
  • Occasional sync issues between devices
  • Rare crashes or data loss after updates

Requested features

4 requests
  • Ability to create and reuse time tracking templates
  • Option to group timelines into folders or categories
  • Improved iPad and Mac support
  • Reminders and alerts for time limits or goals

Time Tracker for Open Project

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Timelines Time Tracking

Subscriptions8
  • Timelines PRO Monthly$3.991 Month
  • Timelines PRO Monthly$5.991 Month
  • Timelines PRO Monthly2 variants$7.991 Month
Show 5 more
  • Timelines PRO Yearly$19.991 Year
  • Timelines PRO Legacy Yearly$19.991 Year
  • Timelines PRO Yearly$29.991 Year
  • Timelines PRO Yearly$39.991 Year
  • Timelines PRO Yearly7 Days trial$39.991 Year
One-time1
  • Timelines PRO Lifetime$159.99
None

Time Tracker for Open Project

No in-app purchases

Questions

Is Timelines Time Tracking free?
Timelines Time Tracking is free to download, with in-app purchases available.
Is Time Tracker for Open Project free?
Time Tracker for Open Project is free to download, with no in-app purchases.
Do Timelines Time Tracking or Time Tracker for Open Project have ads?
Neither Timelines Time Tracking nor Time Tracker for Open Project shows ads.
Which is updated more often, Timelines Time Tracking or Time Tracker for Open Project?
Timelines Time Tracking ships an update monthly, and Time Tracker for Open Project every 2 months. Most recently, Timelines Time Tracking was updated on October 10, 2026 and Time Tracker for Open Project on September 29, 2026.

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